john m flores
All-Pro
Believe it or not, I was thinking about this on my way into work today. I have the E-PM2 and the Panny 14mm pancake. It's a compact and effective package, and it definitely slips into a jacket pocket easily. But not a shirt pocket, which the Ricoh GR may do. As others have said, the primary advantage of the new camera is pocketability while maintaining quality. The Ricoh is about the same size as a Sony RX100 - just a bit longer but a bit thinner. I don't tend to operate at ISO 6400 very often, so the APS-C's sensor advantage in that area isn't critical to me. I really should just preorder the GR already - because I won't pay $1000 for the Nikon A even if it's a bit better. I think the only thing holding me back is my monitoring of Olympus OM-D prices. With a replacement due to be announced later this year, we're beginning to see prices move a bit. But it may take until the end of summer to see real movement. So I should just pre-order the GR and be done with it.
An OM-D isn't going to be shirt pocketable though, discounted or not.